---
 net/ipv4/ip_output.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ed92f0b..03a6706 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -950,8 +950,14 @@ alloc_new_skb:
                        skb->ip_summed = csummode;
                        skb->csum = 0;
                        skb_reserve(skb, hh_len);
-                       if (ipc->shtx.flags)
-                               *skb_tx(skb) = ipc->shtx;
+                       if (ipc->shtx.flags) {
+                               if (skb_tx(skb)) 
+                                       *skb_tx(skb) = ipc->shtx;
+                               else
+                                       printk(KERN_DEBUG
+                                               "ERROR: skb with flags %x and 
no tx ptr\n",
+                                               ipc->shtx.flags);
+                       }
 
                        /*
                         *      Find where to start putting bytes.
-- 
1.5.5.3

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